Patents by Inventor Weilun Chang

Weilun Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11932335
    Abstract: A rub rail coupled to a side rail including a first top notch and a first bottom notch, the rub rail including: a top chamfer; a top horizontal face diagonally connected to the top chamfer; a second top notch extending out of the top horizontal face; a side vertical face diagonally connected to the top chamfer; a bottom chamfer; a bottom horizontal face diagonally connected to the bottom chamfer; a second bottom notch extending out of the bottom horizontal face; wherein the second top notch couples to the first top notch, and wherein the second bottom notch couples to the first bottom notch.
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: March 19, 2024
    Assignee: HYUNDAI TRANSLEAD
    Inventors: Laura Homec, Loc Quoc Bui, Weilun Chang
  • Publication number: 20230331324
    Abstract: A side rail assembly for a flatbed trailer extruded together as one integrated piece, including: a top extension face; a top chamfer; a side vertical face; a top horizontal face diagonally coupled to the side vertical face by the top chamfer, the top horizontal face to step down into the top extension face, wherein the top extension face extends to provide a surface to attach floor boards to the side rail assembly; an inner vertical face; a bottom extension face; an extended flange coupled to the bottom extension face; a bottom chamfer; and a bottom horizontal face diagonally coupled to the side vertical face by the bottom chamfer, the bottom horizontal face also couples to the bottom extension face, wherein the bottom horizontal face extends to the extended flange to provide an ability to use flat hooks for cargo securement.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Inventors: Laura Homec, Loc Quoc Bui, Weilun Chang, Jimmy Minh Nguyen
  • Patent number: 11766511
    Abstract: The invention relates to extracorporeal blood circuits, and components thereof (e.g., hollow fiber membranes, potted bundles, and blood tubing), including 0.005% to 10% (w/w) surface modifying macromolecule. The extracorporeal blood circuits have an antithrombogenic surface and can be used in hemofiltration, hemodialysis, hemodiafiltration, hemoconcentration, blood oxygenation, and related uses.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: September 26, 2023
    Assignee: Interface Biologics, Inc.
    Inventors: Sanjoy Mullick, Weilun Chang, Hanje Chen, Mark A. Steedman, Roseita Esfand
  • Publication number: 20230264768
    Abstract: A rub rail coupled to a side rail including a first top notch and a first bottom notch, the rub rail including: a top chamfer; a top horizontal face diagonally connected to the top chamfer; a second top notch extending out of the top horizontal face; a side vertical face diagonally connected to the top chamfer; a bottom chamfer; a bottom horizontal face diagonally connected to the bottom chamfer; a second bottom notch extending out of the bottom horizontal face; wherein the second top notch couples to the first top notch, and wherein the second bottom notch couples to the first bottom notch.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 24, 2023
    Inventors: Laura Homec, Loc Quoc Bui, Weilun Chang
  • Patent number: 11702164
    Abstract: A rail assembly for a flatbed trailer, including: a side rail configured generally as C-shaped, the side rail including a first top horizontal face, a first side vertical face, and a first bottom horizontal face; and a rub rail coupled to the side rail, the rub rail configured generally as C-shaped, the rub rail including a second top horizontal face, a second side vertical face, and a second bottom horizontal face, wherein the second top horizontal face is coupled to the second side vertical face by a top chamfer, wherein the top chamfer is diagonally connected to the second top horizontal face and the second side vertical face, wherein the second bottom horizontal face is coupled to the second side vertical face by a bottom chamfer, wherein the bottom chamfer is diagonally connected to the second side vertical face and the second bottom horizontal face.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: July 18, 2023
    Assignee: Hyundai Translead
    Inventors: Laura Homec, Loc Quoc Bui, Weilun Chang
  • Publication number: 20230009915
    Abstract: A rail assembly for a flatbed trailer, including: a side rail configured generally as C-shaped, the side rail including a first top horizontal face, a first side vertical face, and a first bottom horizontal face; and a rub rail coupled to the side rail, the rub rail configured generally as C-shaped, the rub rail including a second top horizontal face, a second side vertical face, and a second bottom horizontal face, wherein the second top horizontal face is coupled to the second side vertical face by a top chamfer, wherein the top chamfer is diagonally connected to the second top horizontal face and the second side vertical face, wherein the second bottom horizontal face is coupled to the second side vertical face by a bottom chamfer, wherein the bottom chamfer is diagonally connected to the second side vertical face and the second bottom horizontal face.
    Type: Application
    Filed: July 6, 2021
    Publication date: January 12, 2023
    Inventors: Laura Homec, Loc Quoc Bui, Weilun Chang
  • Publication number: 20210402074
    Abstract: The invention relates to extracorporeal blood circuits, and components thereof (e.g., hollow fiber membranes, potted bundles, and blood tubing), including 0.005% to 10% (w/w) surface modifying macromolecule. The extracorporeal blood circuits have an antithrombogenic surface and can be used in hemofiltration, hemodialysis, hemodiafiltration, hemoconcentration, blood oxygenation, and related uses.
    Type: Application
    Filed: February 5, 2021
    Publication date: December 30, 2021
    Inventors: Sanjoy MULLICK, Weilun CHANG, Hanje CHEN, Mark A. STEEDMAN, Roseita ESFAND
  • Publication number: 20200206408
    Abstract: The invention relates to extracorporeal blood circuits, and components thereof (e.g., hollow fiber membranes, potted bundles, and blood tubing), including 0.005% to 10% (w/w) surface modifying macromolecule. The extracorporeal blood circuits have an antithrombogenic surface and can be used in hemofiltration, hemodialysis, hemodiafiltration, hemoconcentration, blood oxygenation, and related uses.
    Type: Application
    Filed: December 26, 2019
    Publication date: July 2, 2020
    Inventors: Sanjoy MULLICK, Weilun CHANG, Hanje CHEN, Mark A. STEEDMAN, Roseita ESFAND
  • Publication number: 20200165376
    Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.
    Type: Application
    Filed: January 29, 2020
    Publication date: May 28, 2020
    Inventors: Sanjoy Mullick, Weilun Chang, Alexandra Piotrowicz, Jeannette Ho, Richard Witmeyer
  • Publication number: 20200123367
    Abstract: The present invention relates to polyvinvyl chloride (PVC) admixtures with plasticizers and surface modifying macromolecules. In accordance with embodiments, articles formed from the compositions disclosed herein may reduce leaching of plasticizers.
    Type: Application
    Filed: December 23, 2019
    Publication date: April 23, 2020
    Inventors: Weilun Chang, Jeannette Ho, J. Paul Santerre, Sanjoy Mullick
  • Patent number: 10557030
    Abstract: The present invention relates to polyvinvyl chloride (PVC) admixtures with plasticizers and surface modifying macromolecules. In accordance with embodiments, articles formed from the compositions disclosed herein may reduce leaching of plasticizers.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: February 11, 2020
    Assignee: Evonik Canada Inc.
    Inventors: Weilun Chang, Jeannette Ho, J. Paul Santerre, Sanjoy Mullick
  • Publication number: 20190248995
    Abstract: The present invention relates to polyvinvyl chloride (PVC) admixtures with plasticizers and surface modifying macromolecules. In accordance with embodiments, articles formed from the compositions disclosed herein may reduce leaching of plasticizers.
    Type: Application
    Filed: April 17, 2019
    Publication date: August 15, 2019
    Inventors: Weilun CHANG, Jeannette HO, J. Paul SANTERRE, Sanjoy MULLICK
  • Publication number: 20180193549
    Abstract: The invention relates to extracorporeal blood circuits, and components thereof (e.g., hollow fiber membranes, potted bundles, and blood tubing), including 0.005% to 10% (w/w) surface modifying macromolecule. The extracorporeal blood circuits have an antithrombogenic surface and can be used in hemofiltration, hemodialysis, hemodiafiltration, hemoconcentration, blood oxygenation, and related uses.
    Type: Application
    Filed: December 20, 2017
    Publication date: July 12, 2018
    Inventors: Sanjoy MULLICK, Weilun CHANG, Hanje CHEN, Mark A. STEEDMAN, Roseita ESFAND
  • Publication number: 20180179327
    Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.
    Type: Application
    Filed: August 1, 2017
    Publication date: June 28, 2018
    Inventors: Sanjoy MULLICK, Weilun CHANG, Alexandra PIOTROWICZ, Jeannette HO, Richard WITMEYER
  • Patent number: 9884146
    Abstract: The invention relates to extracorporeal blood circuits, and components thereof (e.g., hollow fiber membranes, potted bundles, and blood tubing), including 0.005% to 10% (w/w) surface modifying macromolecule. The extracorporeal blood circuits have an antithrombogenic surface and can be used in hemofiltration, hemodialysis, hemodiafiltration, hemoconcentration, blood oxygenation, and related uses.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: February 6, 2018
    Assignee: Interface Biologics Inc.
    Inventors: Sanjoy Mullick, Weilun Chang, Hanje Chen, Mark A. Steedman, Roseita Esfand
  • Patent number: 9751972
    Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: September 5, 2017
    Assignee: Interface Biologic Inc.
    Inventors: Sanjoy Mullick, Weilun Chang, Alexandra Piotrowicz, Jeannette Ho, Richard Witmeyer
  • Patent number: 9687597
    Abstract: The invention relates to extracorporeal blood circuits, and components thereof (e.g., hollow fiber membranes, potted bundles, and blood tubing), including 0.005% to 10% (w/w) surface modifying macromolecule. The extracorporeal blood circuits have an antithrombogenic surface and can be used in hemofiltration, hemodialysis, hemodiafiltration, hemoconcentration, blood oxygenation, and related uses.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: June 27, 2017
    Assignee: Interface Biologies, Inc.
    Inventors: Sanjoy Mullick, Weilun Chang, Hanje Chen, Mark A. Steedman, Roseita Esfand
  • Publication number: 20160228632
    Abstract: The invention relates to extracorporeal blood circuits, and components thereof (e.g., hollow fiber membranes, potted bundles, and blood tubing), including 0.005% to 10% (w/w) surface modifying macromolecule. The extracorporeal blood circuits have an antithrombogenic surface and can be used in hemofiltration, hemodialysis, hemodiafiltration, hemoconcentration, blood oxygenation, and related uses.
    Type: Application
    Filed: April 19, 2016
    Publication date: August 11, 2016
    Inventors: Sanjoy MULLICK, Weilun CHANG, Hanje CHEN, Mark A. STEEDMAN, Roseita ESFAND
  • Publication number: 20150025198
    Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.
    Type: Application
    Filed: February 24, 2014
    Publication date: January 22, 2015
    Applicant: Interface Biologics Inc.
    Inventors: Sanjoy MULLICK, Weilun CHANG, Alexandra PIOTROWICZ, Jeannette HO, Richard WITMEYER
  • Publication number: 20150008179
    Abstract: The invention relates to extracorporeal blood circuits, and components thereof (e.g., hollow fiber membranes, potted bundles, and blood tubing), including 0.005% to 10% (w/w) surface modifying macromolecule. The extracorporeal blood circuits have an antithrombogenic surface and can be used in hemofiltration, hemodialysis, hemodiafiltration, hemoconcentration, blood oxygenation, and related uses.
    Type: Application
    Filed: September 19, 2014
    Publication date: January 8, 2015
    Inventors: Sanjoy MULLICK, Weilun CHANG, Hanje CHEN, Mark A. STEEDMAN, Roseita ESFAND